Los Angeles officials have steadfastly refused to identify the Wet Prince of Bel Air, the homeowner who pumped an astonishing 11.8 million gallons of water during a single year of California’s crippling drought.

Facebook’s new “Reactions” are intended to help users better express their responses to posts. Advertisers are salivating at the prospect of additional data about consumer preferences and trends. And law enforcement and intelligence agencies will be able to mine for sentiment analysis of criminal and terrorism suspects.

What began as an internal investigation into allegations of harassment and threats stemming from a spat between ex-lovers has expanded into a criminal inquiry focused on the Federal Air Marshal Service’s dispatch hub in Herndon, Virginia. More than 60 federal employees are under scrutiny as investigators look into whether flights considered at risk of hijacking or a terrorist attack were left without marshals on board.